✨(backend) serialize room pin code for frontend access

Add pin code to API response to enable frontend display of room access
codes. UI implementation will follow in upcoming commits.

src/backend/core/api/serializers.py

@@ -107,8 +107,8 @@ class RoomSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = models.Room
-        fields = ["id", "name", "slug", "configuration", "access_level"]
-        read_only_fields = ["id", "slug"]
+        fields = ["id", "name", "slug", "configuration", "access_level", "pin_code"]
+        read_only_fields = ["id", "slug", "pin_code"]
 
     def to_representation(self, instance):
         """

src/backend/core/tests/rooms/test_api_rooms_retrieve.py

@@ -32,6 +32,7 @@ def test_api_rooms_retrieve_anonymous_private_pk():
         "id": str(room.id),
         "is_administrable": False,
         "name": room.name,
+        "pin_code": room.pin_code,
         "slug": room.slug,
     }
 
@@ -51,6 +52,7 @@ def test_api_rooms_retrieve_anonymous_trusted_pk():
         "id": str(room.id),
         "is_administrable": False,
         "name": room.name,
+        "pin_code": room.pin_code,
         "slug": room.slug,
     }
 
@@ -69,6 +71,7 @@ def test_api_rooms_retrieve_anonymous_private_pk_no_dashes():
         "id": str(room.id),
         "is_administrable": False,
         "name": room.name,
+        "pin_code": room.pin_code,
         "slug": room.slug,
     }
 
@@ -85,6 +88,7 @@ def test_api_rooms_retrieve_anonymous_private_slug():
         "id": str(room.id),
         "is_administrable": False,
         "name": room.name,
+        "pin_code": room.pin_code,
         "slug": room.slug,
     }
 
@@ -101,6 +105,7 @@ def test_api_rooms_retrieve_anonymous_private_slug_not_normalized():
         "id": str(room.id),
         "is_administrable": False,
         "name": room.name,
+        "pin_code": room.pin_code,
         "slug": room.slug,
     }
 
@@ -209,6 +214,7 @@ def test_api_rooms_retrieve_anonymous_public(mock_token):
             "token": "foo",
         },
         "name": room.name,
+        "pin_code": room.pin_code,
         "slug": room.slug,
     }
 
@@ -251,6 +257,7 @@ def test_api_rooms_retrieve_authenticated_public(mock_token):
             "token": "foo",
         },
         "name": room.name,
+        "pin_code": room.pin_code,
         "slug": room.slug,
     }
 
@@ -295,6 +302,7 @@ def test_api_rooms_retrieve_authenticated_trusted(mock_token):
             "token": "foo",
         },
         "name": room.name,
+        "pin_code": room.pin_code,
         "slug": room.slug,
     }
 
@@ -324,6 +332,7 @@ def test_api_rooms_retrieve_authenticated():
         "id": str(room.id),
         "is_administrable": False,
         "name": room.name,
+        "pin_code": room.pin_code,
         "slug": room.slug,
     }
 
@@ -372,6 +381,7 @@ def test_api_rooms_retrieve_members(mock_token, django_assert_num_queries, setti
             "token": "foo",
         },
         "name": room.name,
+        "pin_code": room.pin_code,
         "slug": room.slug,
     }
 
@@ -458,6 +468,7 @@ def test_api_rooms_retrieve_administrators(
             "token": "foo",
         },
         "name": room.name,
+        "pin_code": room.pin_code,
         "slug": room.slug,
     }
 

src/frontend/src/features/rooms/api/ApiRoom.ts

@@ -14,6 +14,7 @@ export type ApiRoom = {
   id: string
   name: string
   slug: string
+  pin_code: string
   is_administrable: boolean
   access_level: ApiAccessLevel
   livekit?: ApiLiveKit